Green tea is made from the same plants as black tea; only the processing process makes the difference.
In the green tea production special care and speed is required so that the tea leaves would not oxidize after the harvest and so would be black tea.
Therefore, they are either blanched immediately after picking in the steam - the Japanese method - or they are dried over fire, as is customary in China.
For your green tea to succeed, you should never prepare it with boiling water but always with a little bit of cooled water. In addition, it is more fertile than black tea, so you need less tea leaves.